cfunc.write C Function/C Functions

cfunc.write

Command cfunc.write C Function/C Functions
Applicable release versions: AP 6.1
Category C Functions (120)
Description equivalent to the Pick/BASIC statements: write or writeu

The equivalency is dependent upon the "type" parameter.

type Pick/BASIC statement

_CP_WRITE write string1 on expression,string2

_CP_WRITEU writeu string1 on expression,string2

The expression should be an integer file descriptor returned by the _CP_open call.

This function returns -1 if an error occurs. The error code is contained in _CP_errno.
Syntax int _CP_write(int type, CPSTR* string1, int expression, CPSTR* string2)
Options
Example
The following example writes "hi" in item "myid" in 
"myfile".

CPSTR * s = _CP_mkstr("myfile");
CPSTR * t = _CP_mkstr("hi");
CPSTR * id = _CP_mkstr("myid");
int f;

_CP_open(&f,_CP_str_null,s);
_CP_write(_CP_WRITE, t, f, id);
Purpose
Related cfunc.introduction
cfunc.open
cfunc.close
cfunc.read
cfunc.writev